Hey there! :)
2x - 3y - z ; When x = -2, y = 3, & z = -2
Since we're given the values of x, y, & z, we can very simply plug everything in!
2(-2) - 3(3) - (-2)
Simplify.
(-4) + (-9) + 2
Get rid of parenthesis.
-4 - 9 + 2
Remember to do PEMDAS!
Parenthesis
Exponents
Multuply
Divide
Add
Subtract
So, since adding comes before subtracting, let's add! :)
-4 - 9 + 2
-4 - 7
Simplify.
-11
So, our answer is [A] : -11
~Hope I helped!~
Answer:
7/2.7/5.5 = 140
297
≅ 0.4713805
Step-by-step explanation:
Divide: 7 / 2.7 = 7
1
· 10
27
= 7 · 10
1 · 27
= 70
27
To divide one fraction by another, invert (turn upside-down) the second fraction, then multiply.
Conversion a decimal number to a fraction: 5.5 = 55
10
= 11
2
Divide: 70
27
: 5.5 = 70
27
· 2
11
= 70 · 2
27 · 11
= 140
297
To divide one fraction by another, invert (turn upside-down) the second fraction, then multiply.
25/66
5/6 x 11/5
5/6 x 5/11
5 x 5
6 x 11
25/66
Answer:
21.
Step-by-step explanation:
RT and QS are diagonals of the rectangle and are equal in length.
5x + 1 = 6x - 3
-x = -4
x = 4
So QS = 6(4) - 3
= 21.
Answer:
c
Step-by-step explanation:
30°+90°+x=180° (the sum of interior angle of a triangle is 180°)
120°+x=180°
x=180°-120°
x=60°